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Brain Quote by Robert M. Sapolsky

“And their brains? Decreased total brain size, gray matter, white matter, frontal cortical metabolism, connectivity between regions, sizes of individual brain regions. Except for the amygdala. Which is enlarged. That pretty much says it all.” quote by Robert M. Sapolsky
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““And their brains? Decreased total brain size, gray matter, white matter, frontal cortical metabolism, connectivity between regions, sizes of individual brain regions. Except for the amygdala. Which is enlarged. That pretty much says it all.””

Robert M. Sapolsky

About This Quote

Source Book: Behaviors of the Brain, Robert M. Sapolsky, 1994

Brain imaging shows reduced size and activity in many regions, but the amygdala is enlarged, indicating heightened emotional reactivity.

In simple terms: Smaller brain areas but larger amygdala suggest stronger emotional responses.

Key Takeaway

Consider how stress may affect brain structure.

Themes

neuroscience stress emotion

Mood

concerned analytical

Type

scientific informative

When to use this quote

  • clinical research
  • mental health assessment
  • stress management
  • education about brain health

Key Concepts

brain anatomy metabolism connectivity

Questions to Reflect On

  • How does chronic stress reshape the brain?
  • Can lifestyle changes mitigate amygdala enlargement?
A Different Perspective

Structural changes may be reversible with intervention.

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